blob: bf876fc2caae55a5624a17564f5bcf88bc4a2d67 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _ASM_POWERPC_PAPR_WATCHDOG_H
#define _ASM_POWERPC_PAPR_WATCHDOG_H
/*
* H_WATCHDOG Input
*
* R4: "flags":
*
* Bits 48-55: "operation"
*/
#define PSERIES_WDTF_OP_START 0x100UL /* start timer */
#define PSERIES_WDTF_OP_STOP 0x200UL /* stop timer */
#define PSERIES_WDTF_OP_QUERY 0x300UL /* query timer capabilities */
/*
* Bits 56-63: "timeoutAction" (for "Start Watchdog" only)
*/
#define PSERIES_WDTF_ACTION_HARD_POWEROFF 0x1UL /* poweroff */
#define PSERIES_WDTF_ACTION_HARD_RESTART 0x2UL /* restart */
#define PSERIES_WDTF_ACTION_DUMP_RESTART 0x3UL /* dump + restart */
/*
* R5: "watchdogNumber":
* PAPR says use -1 (all ones) to stop all watchdogs.
*/
#define PSERIES_WDT_NUM_ALL ((unsigned long)-1)
/*
* H_WATCHDOG Output
*
* R3: Return code
*
* H_SUCCESS The operation completed.
*
* H_BUSY The hypervisor is too busy; retry the operation.
*
* H_PARAMETER The given "flags" are somehow invalid. Either the
* "operation" or "timeoutAction" is invalid, or a
* reserved bit is set.
*
* H_P2 The given "watchdogNumber" is zero or exceeds the
* supported maximum value.
*
* H_P3 The given "timeoutInMs" is below the supported
* minimum value.
*
* H_NOOP The given "watchdogNumber" is already stopped.
*
* H_HARDWARE The operation failed for ineffable reasons.
*
* H_FUNCTION The H_WATCHDOG hypercall is not supported by this
* hypervisor.
*
* R4:
*
* - For the "Query Watchdog Capabilities" operation, a 64-bit
* structure:
*/
#define PSERIES_WDTQ_MIN_TIMEOUT(cap) (((cap) >> 48) & 0xffff)
#define PSERIES_WDTQ_MAX_NUMBER(cap) (((cap) >> 32) & 0xffff)
#endif /* _ASM_POWERPC_PAPR_WATCHDOG_H */
|
